Model	PH-009(I)	PH-009(I)A	PH-009(I)B	PH-009(I)C
Range	0.0~14.0pH
Accuracy	±0.2PH ±0.1PH(25℃)	±0.1PH	±0.2PH ±0.1PH(25℃)	±0.2PH ±0.1PH(25℃)
Resolution	0.1PH
Temperature Compensation	-	Automatic,0～50℃	-	-
Electrode	fixed PH sensor	fixed PH sensor	BNC E-201	BNC E-201
Battery Type	3×1.5V(AG13)	4×1.5V(AG13)
Weight	51g	51g	70g	70g
Color	Yellow, Red, Blue, Black, White
Environment	0 ~ 50°C;RH≤95℅
Dimensions	150mm×29mm×20mm